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EN-MC35110 Magnesium vs. ASTM Grade HL Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while ASTM grade HL steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC35110 magnesium and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
150
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
11
Fatigue Strength, MPa 110
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 18
80
Tensile Strength: Ultimate (UTS), MPa 230
500
Tensile Strength: Yield (Proof), MPa 150
270

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 140
1100
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 520
1340
Specific Heat Capacity, J/kg-K 970
490
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
27
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 24
4.5
Embodied Energy, MJ/kg 170
65
Embodied Water, L/kg 940
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
48
Resilience: Unit (Modulus of Resilience), kJ/m3 260
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
18
Strength to Weight: Bending, points 44
18
Thermal Shock Resistance, points 14
11

Alloy Composition


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Carbon (C), % 0
0.2 to 0.6
Chromium (Cr), % 0
28 to 32
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
40.8 to 53.8
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.0050
18 to 22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0